If you install a trailer tow hitch or other components, the longitudinal frame member is weakened and can break. The trailer may become detached from the vehicle.
There is a risk of an accident.
Only retrofit a trailer tow hitch if permissible.
Observe the notes on trailer operation More.
Retrofitting a trailer hitch is only permissible if a towing capacity is specified in your vehicle documents.
Only use a trailer hitch which has been tested and specially approved by Mercedes-Benz for your vehicle.